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I just finished a project with rails 2.3.8. Client won’t pay for the migration, so I want to keep it as is.
I want to start a new project, which is to build my own homepage. Want to use similar tools but want to go to rails 3.0.
Can these versions co-exist on the same machine? If yes, what do I need to do? Found few pages online, but not sure they are up-to-date (e.g. about rails 3 beta and rvm).
I’m using rvm and running 2.3.9 on ruby 1.8.7 and 3.0.1 on ruby 1.9.2 and it works quite well. I followed http://rvm.beginrescueend.com/rvm/install/ to get rvm installed and then switched to it with:
rvm use 1.9.2
Then you can install Rails 3 on that rvm, set up your new project and switch back to your system ruby and older rails when you need to with:
rvm use system
It’s been a really great way of switching back/forth for me.